Journal of Physics D Applied Physics,
Journal Year:
2024,
Volume and Issue:
57(45), P. 453001 - 453001
Published: Aug. 22, 2024
Abstract
The
preparation
of
metal
hydrogel
precursors
toward
atomically
dispersed
aerogel
catalysts
is
a
captivating
subject
within
the
catalysis
research
domain,
exhibiting
promising
applications
in
various
fields.
This
minireview
intend
to
summarize
those
novel
design
principles
and
practical
creation
catalysts.
manuscript
focuses
on
crucial
aspects
such
as
meticulous
selection
sources
initiators,
intricate
process
gel
preparation,
comparative
analysis
different
drying
methods,
strategic
optimization
techniques
enhance
performance
precursors.
Moreover,
this
article
delves
into
exploration
derived
from
realms
photocatalysis
electrocatalysis.
Lastly,
existing
challenges
are
addressed,
prospective
future
directions
for
development
outlined.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
17(1)
Published: Oct. 16, 2024
Developing
advanced
stealth
devices
to
cope
with
radar-infrared
(IR)
fusion
detection
and
diverse
application
scenarios
is
increasingly
demanded,
which
faces
significant
challenges
due
conflicting
microwave
IR
cloaking
mechanisms
functional
integration
limitations.
Here,
we
propose
a
multiscale
hierarchical
structure
design,
integrating
wrinkled
MXene
shielding
layer
flexible
Fe
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 6, 2024
Abstract
Wearable
sensors
for
continuous
monitoring
of
biomarkers
in
body
fluids
have
gained
significant
attention
their
potential
disease
diagnostics
and
health
management,
but
lack
sustainable
power
supply
advanced
sensing
strategies.
Herein,
sweat
wearable
biofuel
cells
(w‐BFCs)
based
on
metal
hydrogels
are
demonstrated
with
high
output
outstanding
stability,
which
harvest
energy
directly
from
human
simultaneously
enable
self‐powered
epidermal
biomarkers.
Experimental
computational
results
elucidate
that
the
highly
porous
flexible
exhibit
superior
electrocatalytic
capabilities
oxidizing
ascorbic
acid
(AA),
a
metabolite
at
anode,
reducing
O
2
cathode.
Consequently,
assembled
AA/O
BFC
delivers
stable
output,
maximum
density
35
µW
cm
−2
an
ultralow
AA
concentration
long‐term
stability
over
30
days,
self‐powered,
sensitive
detection.
When
applied
to
skin
volunteers,
this
integrated
w‐BFC
powers
biosensor
using
as
fuel
allowing
real‐time
signal
via
smartphone.
This
work
not
only
advances
harvesting
also
paves
new
avenues
real‐time,
online
Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: Jan. 21, 2025
Anion
exchange
membrane
fuel
cells
(AEMFCs)
are
one
of
the
ideal
energy
conversion
devices.
However,
platinum
(Pt),
as
benchmark
catalyst
for
hydrogen
oxidation
reaction
(HOR)
AEMFCs
anodes,
still
faces
issues
insufficient
performance
and
susceptibility
to
CO
poisoning.
Here,
we
report
Joule
heating-assisted
synthesis
a
small
sized
Ru1Pt
single-atom
alloy
loaded
on
nitrogen-doped
carbon
modified
with
single
W
atoms
(s-Ru1Pt@W1/NC),
in
which
near-range
Ru
nanoparticles
long-range
support
simultaneously
modulate
electronic
structure
active
Pt-site,
enhancing
alkaline
HOR
s-Ru1Pt@W1/NC.
The
mass
activity
s-Ru1Pt@W1/NC
is
7.54
A
mgPt+Ru-1
exhibits
notable
stability
1000
ppm
CO/H2-saturated
electrolyte.
Surprisingly,
it
can
operate
stably
H2-saturated
electrolyte
h
only
24.60
%
decay.
Theoretical
calculations
demonstrate
that
proximal
remote
synergistically
optimize
improving
tolerance
catalyst.
development
anode
catalysts
anion-exchange
promising
but
challenging
practical
applications.
authors
tiny
catalyze
very
high
activity,
stability,
resistance.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 19, 2025
Abstract
Transition
metals
especially
Fe‐based
catalysts
representing
an
emerging
type
of
enzyme‐mimicking
materials
are
great
interest
in
biosensing
and
therapy
fields.
However,
the
poor
affinity
toward
H
2
O
limits
their
catalytic
activity
while
high‐precise
controllable
regulation
engineering
nanozymes
remains
a
challenge.
Herein,
facile
approach
is
presented
to
fabricate
FeCu/hemin
aerogel
with
self‐supported,
hierarchically
porous
network
structures
through
second
metal
center
surface
ligand
engineering,
achieving
sequential
‐affinity
amplification.
Excitingly,
for
exhibits
14.03‐fold
enhancement
than
that
Fe
particle,
accompanied
5.88‐fold
efficiency
(
K
cat
/
m
)
increase
FeCu.
Mechanism
studies
suggest
Cu
hemin
modifications
upshift
d
‐band
from
−0.49
−0.17
eV
promote
electron
transfer
process,
thus
facilitating
dissociation
.
Importantly,
allow
highly
sensitive
detection
norfloxacin
low
limit
72
n
Notably,
it
shows
remarkable
inhibition
on
bacterial
growth
vitro
vivo
no
apparent
side
effects.
Therefore,
this
work
not
only
sheds
light
rational
design
active
stable
properties,
but
also
offers
new
prospects
tuning
boost
enzyme‐mimic
activity.
Green Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
This
work
creatively
developed
a
strain-driven
interstitial
Ru
doping
strategy
to
synthesize
an
interstitially
doped-FeCoP/FF
electrode
with
2.32%
tensile
strain.
Energy Technology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 20, 2025
Inexpensive
and
efficient
earth‐abundant
metal
catalysts
are
required
for
electrocatalytic
water
splitting
to
meet
future
energy
conversion
storage
demand,
but
its
practical
production
is
limited
by
uncertain
factors
such
as
slow
oxygen
evolution
reaction
(OER)
kinetics,
low
electrical
conductivity,
unclear
catalytic
mechanism.
A
facile
one‐step
reduction
in
situ
gelation
proposed
synthesize
a
series
of
nickel‐based
bimetallic
aerogels
(Ni
x
Fe
y
,
Ni
Co
Cu
)
utilizing
the
synergistic
effect
between
bimetals
surface
electronic
structure
adjustment
strategy
realize
OER
performance
improvement.
Meanwhile,
density
functional
theory
calculations
show
that
introduction
transition
into
can
cause
center
d
‐band
shift
down,
induce
strong
effects
on
surface,
regulate
adsorption
intermediates
(*OH,
*O,
*OOH),
enhancing
aerogel
thereby
achieving
higher
intrinsic
activity
45
55
catalyst.
This
work
sheds
light
design
high‐performance
electrocatalysts.
